In CHANGES.txt, move HDFS-9294 to Release 2.6.4.
In CHANGES.txt, move HDFS-9294 to Release 2.6.4.

szegedim/hadoop,Ethanlm/hadoop,ctrezzo/hadoop,legend-hua/hadoop,979969786/hadoop,bitmybytes/hadoop,ctrezzo/hadoop,ucare-uchicago/hadoop,steveloughran/hadoop,lukmajercak/hadoop,apache/hadoop,bitmybytes/hadoop,bitmybytes/hadoop,steveloughran/hadoop,bitmybytes/hadoop,dierobotsdie/hadoop,apurtell/hadoop,dennishuo/hadoop,ronny-macmaster/hadoop,ChetnaChaudhari/hadoop,mapr/hadoop-common,soumabrata-chakraborty/hadoop,xiao-chen/hadoop,wenxinhe/hadoop,dierobotsdie/hadoop,apache/hadoop,JingchengDu/hadoop,GeLiXin/hadoop,dennishuo/hadoop,JingchengDu/hadoop,JingchengDu/hadoop,lukmajercak/hadoop,plusplusjiajia/hadoop,WIgor/hadoop,apurtell/hadoop,soumabrata-chakraborty/hadoop,WIgor/hadoop,ChetnaChaudhari/hadoop,szegedim/hadoop,huafengw/hadoop,szegedim/hadoop,Ethanlm/hadoop,wwjiang007/hadoop,apurtell/hadoop,JingchengDu/hadoop,GeLiXin/hadoop,ronny-macmaster/hadoop,wwjiang007/hadoop,dierobotsdie/hadoop,nandakumar131/hadoop,979969786/hadoop,ronny-macmaster/hadoop,nandakumar131/hadoop,apache/hadoop,legend-hua/hadoop,ucare-uchicago/hadoop,Ethanlm/hadoop,soumabrata-chakraborty/hadoop,lukmajercak/hadoop,ChetnaChaudhari/hadoop,steveloughran/hadoop,979969786/hadoop,xiao-chen/hadoop,huafengw/hadoop,szegedim/hadoop,WIgor/hadoop,plusplusjiajia/hadoop,ronny-macmaster/hadoop,WIgor/hadoop,dierobotsdie/hadoop,Ethanlm/hadoop,wenxinhe/hadoop,xiao-chen/hadoop,JingchengDu/hadoop,979969786/hadoop,ucare-uchicago/hadoop,bitmybytes/hadoop,huafengw/hadoop,bitmybytes/hadoop,apache/hadoop,apache/hadoop,littlezhou/hadoop,plusplusjiajia/hadoop,nandakumar131/hadoop,nandakumar131/hadoop,ctrezzo/hadoop,apurtell/hadoop,wwjiang007/hadoop,ctrezzo/hadoop,ucare-uchicago/hadoop,littlezhou/hadoop,wenxinhe/hadoop,apache/hadoop,nandakumar131/hadoop,ucare-uchicago/hadoop,GeLiXin/hadoop,ucare-uchicago/hadoop,GeLiXin/hadoop,dennishuo/hadoop,GeLiXin/hadoop,apache/hadoop,littlezhou/hadoop,plusplusjiajia/hadoop,ctrezzo/hadoop,Ethanlm/hadoop,huafengw/hadoop,lukmajercak/hadoop,szegedim/hadoop,lukmajercak/hadoop,bitmybytes/hadoop,WIgor/hadoop,JingchengDu/hadoop,wenxinhe/hadoop,ronny-macmaster/hadoop,legend-hua/hadoop,wenxinhe/hadoop,dennishuo/hadoop,mapr/hadoop-common,szegedim/hadoop,soumabrata-chakraborty/hadoop,ctrezzo/hadoop,lukmajercak/hadoop,979969786/hadoop,ChetnaChaudhari/hadoop,mapr/hadoop-common,legend-hua/hadoop,apurtell/hadoop,ChetnaChaudhari/hadoop,mapr/hadoop-common,dierobotsdie/hadoop,wwjiang007/hadoop,littlezhou/hadoop,soumabrata-chakraborty/hadoop,lukmajercak/hadoop,huafengw/hadoop,legend-hua/hadoop,legend-hua/hadoop,steveloughran/hadoop,mapr/hadoop-common,mapr/hadoop-common,legend-hua/hadoop,GeLiXin/hadoop,huafengw/hadoop,GeLiXin/hadoop,apurtell/hadoop,Ethanlm/hadoop,plusplusjiajia/hadoop,apurtell/hadoop,ronny-macmaster/hadoop,wwjiang007/hadoop,ctrezzo/hadoop,dierobotsdie/hadoop,dennishuo/hadoop,ucare-uchicago/hadoop,979969786/hadoop,steveloughran/hadoop,wenxinhe/hadoop,littlezhou/hadoop,ChetnaChaudhari/hadoop,szegedim/hadoop,dennishuo/hadoop,979969786/hadoop,Ethanlm/hadoop,JingchengDu/hadoop,WIgor/hadoop,plusplusjiajia/hadoop,wwjiang007/hadoop,huafengw/hadoop,xiao-chen/hadoop,wwjiang007/hadoop,nandakumar131/hadoop,xiao-chen/hadoop,mapr/hadoop-common,wenxinhe/hadoop,WIgor/hadoop,ronny-macmaster/hadoop,soumabrata-chakraborty/hadoop,xiao-chen/hadoop,dennishuo/hadoop,dierobotsdie/hadoop,plusplusjiajia/hadoop,littlezhou/hadoop,xiao-chen/hadoop,steveloughran/hadoop,nandakumar131/hadoop,littlezhou/hadoop,soumabrata-chakraborty/hadoop,ChetnaChaudhari/hadoop,steveloughran/hadoop